272 SUPPLEMENT FOR 1980 MODEL
PISTON RINGS (on KZ400)
The pistons on KZ400 use the one-piece type piston
oil rings instead of the separate type piston oil rings.
Refer to the follows when installing the oil rings:
the oil ring so that the correct side (marked
"T") faces up.
the rings so that the opening in the top ring and
oil ring o f each piston faces forward and the opening
in the second ring faces the rear.
Piston Rings (KZ400)
T o p R i n g
Second R l n g
.Remove the fuel tank (Pg. 47).
.Remove the carburetors (Pg. 49).
the vacuum hoses o f f the attachments (on US
the screws (8)) and remove the carburetor
holders from the cylinder head.
1. For US model, install the #1 and # 4 carburetor
holders so that the vacuum hose attachments point
upward and to the inside, and install the k 2 and
carburetor holders so that the attachments point
downward and t o the outside.
Apply a non-permanent locking agent to the mount-
ing screw threads.
Fit the rubber caps onto the carburetor holder attach-
ments. For US model, f i t the rubber caps (2) onto
the 4 2 and
carburetor holder attachments, and
connect the vacuum hoses t o the
tor holder attachments.
ENGINE SPROCKET (on KZ400)
The drive chain for KZ400 i s not an "endless" type.
Refer .to the follows when removing and installing the
.Stand the motorcycle up on its center stand.
.Check that the transmission is in neutral.
.Remove the engine sprocket cover (Pg. 69).
the engine sprocket holding plate bolts (2),
and remove the plate.
the clip from the chain master link using
pliers, and remove the master link.
@Remove the engine sprocket, and free i t from the drive
1. Mount the engine sprocket while meshed with the
drive chain, and install the drive chain master link
and clip. The direction o f the master link clip must
be as shown.
Incorrect installation of the master link
clip can allow it t o catch on an adjacent
part. I f the clip dislodges, the chain could come apart,
and this could result i n rear wheel lockup and loss of
Master Link Clip Installation
Direction o f Chain Rotation
2. Tighten the holding plate bolts (2) to 1.0 kg-m (87
in-l bs) o f torque.
STARTER MOTOR (on KZ550)
Disassembly and Assembly Notes:
Refer to Pgs. 74- 75, noting the following:
The starter motor on KZ550 has the permanent
magnets inside the yoke instead of the field coils.